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A shark tooth embedded in a bone
Article

What the Megalodon Left Behind

The largest shark ever to exist on this planet, Carcharocles megalodon, could grow...
July 2018
This recently discovered hairy crab species (Kiwa hirsuta) has no eyes.
overview

The Census of Marine Life

Did you know that over 17,000 species thrive in the deep sea where no light...
April 2018
Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
overview

The Arctic and The Antarctic

Travel to the ends of the earth—literally—and discover the polar ocean basins....
April 2018
Greenland Shark in cold water
Article

In the Eyes of One Shark, Age is Nothing to Fear

In the freezing waters of the Arctic a toothed leviathan – the Greenland shark -...
August 2016
A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

Sea ice is typically viewed as the domain of physical and natural scientists, the...
March 2014
In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
Personal Perspectives

Ice-Loving Seals and the Loss of Sea Ice

The threat that climate change poses to polar bears has received a lot of...
September 2013
data of sea ice coverage in the Arctic
Personal Perspectives

Arctic Sea Ice: A New Low?

At a recent staff meeting a Smithsonian colleague mentioned that one of his...
September 2011
a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
Article

A Guide to Earthquake Lesson Plans

It isn’t everyday that a magnitude 5.8 earthquake strikes the East Coast of the...
August 2011
A submersible explores the deep reefs off of Curacao in the Caribbean.
Personal Perspectives

Summer in a Sub: DROP Down to Discovery

You never know where following your passions can take you. I came to the...
July 2011
Students Work on Channel Island Map Project
Personal Perspectives

Back to School, Ocean Portal Style

At the Ocean Portal, we love the back-to-school season. There’s excitement in the...
September 2010
A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

In the frigid Arctic Ocean, a mysterious toothed whale—the narwhal— resides...
August 2017
Sea lions generate thrust, or forward propulsion, by bringing their fore-flippers together in big sweeping motions called “claps.”  When a sea lion “claps,” it stretches its flippers out to the sides and sweeps them down. Then it tucks its flippe

How Do Sea Lions Swim?

A family of tourists in Canada’s Steveston Harbor recently got a treat when a...
June 2017

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